Fosi Prime Deal : Up to 40% Off >>>

Fosi Audio P3 

True Tube Preamplifier

Experience the Unique Charm from Vacuum Tubes
Buy on Fosiaudio
Buy on Aliexpress
Buy on Amazon
Buy on eBay

Fosi Audio P3 

True Tube Preamplifier

Experience the Unique Charm from Vacuum Tubes
Buy on Fosiaudio
Buy on Aliexpress
Buy on Amazon
Buy on eBay
Join to Win Free P3 Preamplifier
OVERVIEW
FEATURES
SPECS

Why Fosi Audio P3?
Title
JAN 5654W Vacuum Tubes
Front Headphone Jack
QCC3031 Bluetooth Chip
Bass and Treble Controls
Glacier-Colored Lighting
Ideal Partner to V3
High SNR
High Separation
APTX
SBC
AAC
Taper A Potentiometer
Quality ELNA Capacitors
JAN 5654W Vacuum Tubes
Front Headphone Jack
QCC3031 Bluetooth Chip
Bass and Treble Controls
Glacier-Colored Lighting
Ideal Partner to V3
SNR
High Separation
APTX
SBC
AAC
Taper A Potentiometer
Quality ELNA Capacitors
JAN 5654W Vacuum Tubes
Front Headphone Jack
QCC3031 Bluetooth Chip
Bass and Treble Controls
Glacier-Colored Lighting
Ideal Partner to V3
High SNR
High Separation
SBC
AAC
APTX
Taper A Potentiometer
Quality ELNA Capacitors

Immersive HiFi Atmosphere

After refinement and enhancement, the sound becomes more enchanting, immersing you in a world of high-quality music.

True Amplification

Crafting Unique Tones

The preamp circuit elevates the voltage to 54V, ensuring the tubes work to their full potential, delivering a warm and rich experience

JAN 5654W 

Vacuum Tubes

Explore warm tones, heightened emotion, and expanded dynamics. Replace vacuum tubes for infinite tonal possibilities

Immersive HiFi Atmosphere

After refinement and enhancement, the sound becomes more enchanting, immersing you in a world of high-quality music.

True Amplification

Crafting Unique Tones

The preamp circuit elevates the voltage to 54V, ensuring the tubes work to their full potential, delivering a warm and rich experience

JAN 5654W 

Vacuum Tubes

Explore warm tones, heightened emotion, and expanded dynamics. Replace vacuum tubes for infinite tonal possibilities

Rolling Vacuum Tubes

It allows you to effortlessly personalize sound with diverse tubes, imbuing every note with your individuality and style.

QCC3031 Bluetooth Chip

Audio transmission is enhanced to support various high-quality formats ensuring the ultimate enjoyment of pure and lossless music.

Ideal Partner to V3

In the same series and form factor, we've added bass, treble adjustment, and Bluetooth connectivity for exceptional sound quality.
Click to V3 Amplifiers

Bass and Treble Controls

The knobs are user-friendly, easily allowing you to restore the original tone by returning them to the center position.

Bass and Treble Controls

The knobs are user-friendly, easily allowing you to restore the original tone by returning them to the center position.

Front Headphone Jack

Experience immediate convenience with plug-and-play for a more intuitive and efficient music experience, without the need to reach behind.

Taper A Potentiometer

It achieves a linear listening experience, by enabling precise volume control to match the human ear's auditory characteristics.

Quality ELNA Capacitors

These high-quality components deliver clear, natural-sounding music with precision, low distortion, and stability.

Taper A Potentiometer

It achieves a linear listening experience, by enabling precise volume control to match the human ear's auditory characteristics.

More Functions
Title

Manual Mode Control

Flexible source switching, along with easy operation, provides a seamless music experience at your fingertips

 

One-Click Pairing Reset

Press and hold the RST button for 3s to manually clear Bluetooth pairing, preventing accidental connections by others.

High Separation and SNR

Contributing to reduced noise interference, they ensure a pure and transparent audio signal, further enhancing sound quality performance.

Manual Mode Control

Flexible source switching, along with easy operation, provides a seamless music experience at your fingertips

 

One-Click Pairing Reset

Press and hold the RST button for 5s to manually clear Bluetooth pairing, preventing accidental connections by others.

High Separation and SNR

Contributing to reduced noise interference, they ensure a pure and transparent audio signal, further enhancing sound quality performance.

Hear What They Are Saying

LIFE IN SPEED Mike Angels 

Fred & Sound

iiWi Reviews

Michael Andrew

UTILITARIAN TV
Learn More

Product Details​
Title

Specifications

RMS Power: 

250mw @16Ω；150mw @32Ω；

32mw @250Ω；20mW @300Ω 

Headphone Impedance: 16-300Ω

SNR: ≥103dB 

Dynamic Range: 104dB 

THD: ≤ 0.02% 

Noise Floor: 64uV 

Crosstalk: 95dB 

Frequency Response Range: 20Hz-20kHz(±1dB) 

Bluetooth Chip：QCC3031

Bluetooth Version：5.1 
Bluetooth Range：≥10m 
Bluetooth Codecs：SBC/AAC/aptX/aptX HD/aptX LL 
Power Input：DC 12V/1.5A~3A 

Input & Output

Input: Bluetooth，RCA 

Output: RCA，3.5mm Headphone Jack，AUX Out 

Download

User Manual:                 Download

What's in the box？

1. P3 ×1
2. 5654W Vacuum Tube × 2
3. User Manual
4. 12V/1.5A Power Supply

More Details
Title

Free Shipping

Delivery Available for Every Order

Money-Back Guarantee

30 Days Free Return

Customer Support

Provide you with all-round services

24 Months Warranty

Quality Assurance Guarantee
© 2025 Fosi Audio. Tecnología de Shopify
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • JCB
  • Maestro
  • Mastercard
  • PayPal
  • Union Pay
  • Venmo
  • Visa